# Temperature transmitter TFA 30.3303.02, range -40 to 60 °C, indoor, battery-powered, dimensions 83×35×129 mm

**URL:** https://aio.lv/en/product--tfa-30330302--10882285
**Data updated:** 2026-03-07 18:08 (EET)
**Category:** Smart Sensors
**Manufacturer:** TFA
**Manufacturer code:** 30.3303.02
**EAN:** 4009816027214
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 25.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-30330302--10882285

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

TFA-Dostmann 30.3303.02 is an indoor temperature transmitter with a measuring range from -40 to 60 °C. It is battery-powered (1.5 V) and designed for monitoring ambient temperature in HVAC, storage or climate-control applications. Compact housing (83×35×129 mm) and CE certification make it suitable for integration into building monitoring systems and basic temperature logging setups.

## Long description

The TFA-Dostmann temperature transmitter 30.3303.02 monitors ambient temperature indoors within a measuring range of -40 to 60 °C. This battery-powered device (1.5 V) is supplied in a compact plastic housing measuring 83×35×129 mm and is intended for integration into building monitoring systems and climate-control applications. It communicates at 868 MHz and is designed to work with the WeatherHub gateway (sold separately) to enable remote access, alerts and data logging for up to at least 90 days of recorded values.
Advantages
The transmitter provides continuous temperature monitoring across a wide range suitable for cold storage and heated interiors. Battery operation simplifies installation where mains power is not available. The compact dimensions allow placement in confined spaces or mounting inside equipment cabinets. Compatibility with the WeatherHub gateway enables smartphone access, push notifications for adjustable alarm limits and centralized data access for analysis.
Suitable for
Indoor climate monitoring in homes and offices
HVAC system monitoring and control
Storage rooms, cellars and cold rooms
Greenhouses and conservatories where indoor ambient temperature must be tracked
Server rooms and electronics cabinets requiring temperature oversight
Key specifications
Measuring range: -40 to 60 °C
Power supply: 1.5 V battery
Wireless frequency: 868 MHz (requires WeatherHub gateway for full operation)
Data memory capacity: at least 90 days of recorded values
Housing dimensions: 83 × 35 × 129 mm
Intended location: indoor use
Certification: CE marked
How to use
Install the battery and position the transmitter in the indoor location where temperature monitoring is required. Place the unit away from direct heat sources and drafts for representative ambient readings. Pair the transmitter with the WeatherHub gateway according to the gateway instructions to enable wireless communication, remote access and data storage. Configure alarm limits and notification settings through the WeatherHub app or platform to receive push notifications in the event of threshold breaches.
Usage recommendations
For reliable readings, replace the battery at regular intervals and verify signal strength to the WeatherHub gateway. Avoid installing the transmitter in locations with direct sunlight, near radiators or in very humid environments unless the specific installation manuals and environmental ratings allow such placement.

## Specifications

| Feature | Value |
|---|---|
| Display included | Yes |
| Battery voltage | 1.5 V |
| Accuracy | 2 °C |
| Temperature measurement range | -40 - 60 |
| Placement | Wall, Table |
| Transmission distance | 200 m |

### Features

| Feature | Value |
|---|---|
| Type | Indoor |
| Certification | CE |
| Connectivity technology | Wireless |
| Product colour | White |
| Operating frequency | 868 |

### Power

| Feature | Value |
|---|---|
| Number of batteries supported | 2 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.042 kg |
| Height | 129 mm |
| Width | 83 mm |
| Depth | 35 mm |

## FAQ

### How much does the Temperature transmitter TFA 30.3303.02 -40–60 °C cost, and is it available for purchase?

The price is 30.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All TFA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TFA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, type, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/10882285/60320135_large.webp